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//===- Pass.cpp - C Interface for General Pass Management APIs ------------===//
//
// Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
// See https://llvm.org/LICENSE.txt for license information.
// SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
//
//===----------------------------------------------------------------------===//
#include "mlir-c/Pass.h"
#include "mlir/CAPI/IR.h"
#include "mlir/CAPI/Pass.h"
#include "mlir/CAPI/Support.h"
#include "mlir/CAPI/Utils.h"
#include "mlir/Pass/PassManager.h"
#include <optional>
using namespace mlir;
//===----------------------------------------------------------------------===//
// PassManager/OpPassManager APIs.
//===----------------------------------------------------------------------===//
MlirPassManager mlirPassManagerCreate(MlirContext ctx) {
return wrap(new PassManager(unwrap(ctx)));
}
MlirPassManager mlirPassManagerCreateOnOperation(MlirContext ctx,
MlirStringRef anchorOp) {
return wrap(new PassManager(unwrap(ctx), unwrap(anchorOp)));
}
void mlirPassManagerDestroy(MlirPassManager passManager) {
delete unwrap(passManager);
}
MlirOpPassManager
mlirPassManagerGetAsOpPassManager(MlirPassManager passManager) {
return wrap(static_cast<OpPassManager *>(unwrap(passManager)));
}
MlirLogicalResult mlirPassManagerRunOnOp(MlirPassManager passManager,
MlirOperation op) {
return wrap(unwrap(passManager)->run(unwrap(op)));
}
void mlirPassManagerEnableIRPrinting(MlirPassManager passManager,
bool printBeforeAll, bool printAfterAll,
bool printModuleScope,
bool printAfterOnlyOnChange,
bool printAfterOnlyOnFailure,
MlirOpPrintingFlags flags,
MlirStringRef treePrintingPath) {
auto shouldPrintBeforePass = [printBeforeAll](Pass *, Operation *) {
return printBeforeAll;
};
auto shouldPrintAfterPass = [printAfterAll](Pass *, Operation *) {
return printAfterAll;
};
if (unwrap(treePrintingPath).empty())
return unwrap(passManager)
->enableIRPrinting(shouldPrintBeforePass, shouldPrintAfterPass,
printModuleScope, printAfterOnlyOnChange,
printAfterOnlyOnFailure, /*out=*/llvm::errs(),
*unwrap(flags));
unwrap(passManager)
->enableIRPrintingToFileTree(shouldPrintBeforePass, shouldPrintAfterPass,
printModuleScope, printAfterOnlyOnChange,
printAfterOnlyOnFailure,
unwrap(treePrintingPath), *unwrap(flags));
}
void mlirPassManagerEnableVerifier(MlirPassManager passManager, bool enable) {
unwrap(passManager)->enableVerifier(enable);
}
void mlirPassManagerEnableTiming(MlirPassManager passManager) {
unwrap(passManager)->enableTiming();
}
MlirOpPassManager mlirPassManagerGetNestedUnder(MlirPassManager passManager,
MlirStringRef operationName) {
return wrap(&unwrap(passManager)->nest(unwrap(operationName)));
}
MlirOpPassManager mlirOpPassManagerGetNestedUnder(MlirOpPassManager passManager,
MlirStringRef operationName) {
return wrap(&unwrap(passManager)->nest(unwrap(operationName)));
}
void mlirPassManagerAddOwnedPass(MlirPassManager passManager, MlirPass pass) {
unwrap(passManager)->addPass(std::unique_ptr<Pass>(unwrap(pass)));
}
void mlirOpPassManagerAddOwnedPass(MlirOpPassManager passManager,
MlirPass pass) {
unwrap(passManager)->addPass(std::unique_ptr<Pass>(unwrap(pass)));
}
MlirLogicalResult mlirOpPassManagerAddPipeline(MlirOpPassManager passManager,
MlirStringRef pipelineElements,
MlirStringCallback callback,
void *userData) {
detail::CallbackOstream stream(callback, userData);
return wrap(parsePassPipeline(unwrap(pipelineElements), *unwrap(passManager),
stream));
}
void mlirPrintPassPipeline(MlirOpPassManager passManager,
MlirStringCallback callback, void *userData) {
detail::CallbackOstream stream(callback, userData);
unwrap(passManager)->printAsTextualPipeline(stream);
}
MlirLogicalResult mlirParsePassPipeline(MlirOpPassManager passManager,
MlirStringRef pipeline,
MlirStringCallback callback,
void *userData) {
detail::CallbackOstream stream(callback, userData);
FailureOr<OpPassManager> pm = parsePassPipeline(unwrap(pipeline), stream);
if (succeeded(pm))
*unwrap(passManager) = std::move(*pm);
return wrap(pm);
}
//===----------------------------------------------------------------------===//
// External Pass API.
//===----------------------------------------------------------------------===//
namespace mlir {
class ExternalPass;
} // namespace mlir
DEFINE_C_API_PTR_METHODS(MlirExternalPass, mlir::ExternalPass)
namespace mlir {
/// This pass class wraps external passes defined in other languages using the
/// MLIR C-interface
class ExternalPass : public Pass {
public:
ExternalPass(TypeID passID, StringRef name, StringRef argument,
StringRef description, std::optional<StringRef> opName,
ArrayRef<MlirDialectHandle> dependentDialects,
MlirExternalPassCallbacks callbacks, void *userData)
: Pass(passID, opName), id(passID), name(name), argument(argument),
description(description), dependentDialects(dependentDialects),
callbacks(callbacks), userData(userData) {
callbacks.construct(userData);
}
~ExternalPass() override { callbacks.destruct(userData); }
StringRef getName() const override { return name; }
StringRef getArgument() const override { return argument; }
StringRef getDescription() const override { return description; }
void getDependentDialects(DialectRegistry ®istry) const override {
MlirDialectRegistry cRegistry = wrap(®istry);
for (MlirDialectHandle dialect : dependentDialects)
mlirDialectHandleInsertDialect(dialect, cRegistry);
}
void signalPassFailure() { Pass::signalPassFailure(); }
protected:
LogicalResult initialize(MLIRContext *ctx) override {
if (callbacks.initialize)
return unwrap(callbacks.initialize(wrap(ctx), userData));
return success();
}
bool canScheduleOn(RegisteredOperationName opName) const override {
if (std::optional<StringRef> specifiedOpName = getOpName())
return opName.getStringRef() == specifiedOpName;
return true;
}
void runOnOperation() override {
callbacks.run(wrap(getOperation()), wrap(this), userData);
}
std::unique_ptr<Pass> clonePass() const override {
void *clonedUserData = callbacks.clone(userData);
return std::make_unique<ExternalPass>(id, name, argument, description,
getOpName(), dependentDialects,
callbacks, clonedUserData);
}
private:
TypeID id;
std::string name;
std::string argument;
std::string description;
std::vector<MlirDialectHandle> dependentDialects;
MlirExternalPassCallbacks callbacks;
void *userData;
};
} // namespace mlir
MlirPass mlirCreateExternalPass(MlirTypeID passID, MlirStringRef name,
MlirStringRef argument,
MlirStringRef description, MlirStringRef opName,
intptr_t nDependentDialects,
MlirDialectHandle *dependentDialects,
MlirExternalPassCallbacks callbacks,
void *userData) {
return wrap(static_cast<mlir::Pass *>(new mlir::ExternalPass(
unwrap(passID), unwrap(name), unwrap(argument), unwrap(description),
opName.length > 0 ? std::optional<StringRef>(unwrap(opName))
: std::nullopt,
{dependentDialects, static_cast<size_t>(nDependentDialects)}, callbacks,
userData)));
}
void mlirExternalPassSignalFailure(MlirExternalPass pass) {
unwrap(pass)->signalPassFailure();
}
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